Dear BioC users,

How could I compare the different arrays from different species? For
example, supposed that we have array A from specie A (kidney)  and array B
from specie B（kidney). since they are from same tissue, we assume that most
of them have same expression pattern. But kidney A and kidney B have some
difference, therefore, we would like to know which group of genes have
statistically different expression. Does anyone have any suggestions?

Thanks in advance.

YiSong

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